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Windows 7: UPS or no UPS? What's the risk after a blackout?

08 Aug 2015   #11
martinlest

Windows 7 Home Premium SP1 64-bit
 
 

Thanks. At the end of the day, a laptop would be false economy I think, as my 5 year-old gaming PC in the UK is now a bit lame, with its i7-950 CPU (at 3.8GHz) and as I want something to use when I am abroad that will not then be redundant back in London , I had better upgrade now, rather than get a laptop (feebler as well as dearer than a mini-PC) then upgrade the PC when I get back to the UK.

When I say I want this for travelling, in fact it will go from the UK to my workplace abroad once, then back again at the end of my contract - it's not as if I am travelling around with it, so a mini-PC, a monitor and a UPS are do-able, with the latter two well-wrapped in my checked-in luggage and the mini-PC as hand luggage.

I wasn't really aware of the problem with a stepped sine wave UPS, but Googling this a bit further, I think I had better pay out for a pure sine wave model! Thanks for the heads up. Not sure which one to get - the one's on Amazon.co.uk all have some bad reviews but I'll keep seaching. The PSU in the PC is a Corsair Builder Series CX600W. What rating UPS would I need for this, to be confident of protecting against a blackout? 650W? 750W? The power does go off for a few seconds here and then come back on, so I clearly do need to protect against that.

How about this?

CyberPower CP1300EPFCLCD PFC Sinewave Uninterruptible Power Supply (780W/1300VA)


My System SpecsSystem Spec
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08 Aug 2015   #12
Lady Fitzgerald

Win 7 Ultimate 64 bit
 
 

While that is probably a good UPS, whether it would meet your needs depends on how much your computer actually draws when you are giving it a good workout. Just because the computer has a 600W PSU doesn't mean it draws that much. You can get a power meter, such as the Kill-a-Watt, and monitor your actual power usage. Once you know how much it draws (keep in mind you will need to keep the monitor running so you have to factor in its load as well), then you can decide how big of a UPS you need.

The UPS you linked will probably give you around three minutes run time at 600W. That means you would have only three minutes to shut down or hibernate your computer if you get a prolonged power outage. If you take all three minutes to shut down. It will take eight hours to recharge the batteries. If, in fact, you do not ever draw more than, say, 400W you would probably have about eight minutes runtime. If you can shut down within two minutes, you would have enough capacity for up to four outages before depleting the batteries, possibly more if there is enough time between outages to let the batteries at least partially recharge. Keep in mind that this is for new batteries. They will lose capacity as they age.

Personally, I would prefer a larger UPS but then, I wouldn't be lugging the thing around (the one I have weighs 75 lb.; there is no way I can even pick the darned thing up, let alone lug it around!) so, once you know how much load—PC and monitor—you have, you will have decide on a compromise that is acceptable for you (basically, it's between run time, weight, and budget).

Btw, you were smart not to take my word for anything and do your own research.
My System SpecsSystem Spec
08 Aug 2015   #13
martinlest

Windows 7 Home Premium SP1 64-bit
 
 

Thanks! yes "it's between run time, weight, and budget" - and 3 minutes is ample for me to hibernate the PC. Power outages aren't that common here (unlike in India where I lived before) and back in the UK, pretty much never. But in the UK I'd be happy to have the UPS to iron out any spikes - and who knows where I might then move to (I've been moving around the world for over 30 years now, so have gathered a kind of unstoppable momentum!).

I'll probably go with the model I indicated (though there is a 1500VA/900W for only £30 more??), but I have a few more weeks before I get to the UK and order, so anything could happen!
My System SpecsSystem Spec
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08 Aug 2015   #14
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
Yep you'd pay a premium for a gaming laptop but they are super portable
10ib UPS isn't bad though or is it 10 stones
My System SpecsSystem Spec
08 Aug 2015   #15
Lady Fitzgerald

Win 7 Ultimate 64 bit
 
 

Ten stone?
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08 Aug 2015   #16
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

1 Stone = 14 Lbs.

10 Stones = 140 Lbs.
My System SpecsSystem Spec
08 Aug 2015   #17
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Quote   Quote: Originally Posted by Wandering one View Post
I have always set the BIOS to require manual restart after power loss. More damage will be done with a momentary returns of the power source, and the likeliest time for power spikes.
Art.
Very good suggestion. That is also the way my systems are set.

Staying with the computer when it's on also works well and it's free and weights nothing.

When the power goes off just unplug the computer and wait until the power comes on uninterrupted.
You will loose your new data but not your computer.

I use Surge Protectors at my home on every computer and everything that plugs into the computers.

My computers are never on unless I'm behind the keyboard or very close.
On must go to the coffee pot and drop by the John now and again. It's a never ending cycle.
My System SpecsSystem Spec
08 Aug 2015   #18
martinlest

Windows 7 Home Premium SP1 64-bit
 
 

Unfortunately (for this purpose!) most of the blackouts here only last a few seconds, then the current comes back, the worst scenario really. So I will need a good UPS...
My System SpecsSystem Spec
08 Aug 2015   #19
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Indeed with the costs of gaming computers it's a very good investment
My System SpecsSystem Spec
08 Aug 2015   #20
Lady Fitzgerald

Win 7 Ultimate 64 bit
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
1 Stone = 14 Lbs.

10 Stones = 140 Lbs.
I know. My joking shock was at Mike's joking suggestion that the OP would lug around a 140 lb. UPS in his travels.
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 UPS or no UPS? What's the risk after a blackout?




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